Home / 31,377,509.76-43,302,813.12-23,628,881.28

Finding the Fourth Proportional to 31,377,509.76, 43,302,813.12 and 23,628,881.28

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Solution

The fourth proportional to 31,377,509.76, 43,302,813.12 and 23,628,881.28 is: 32,609,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377,509.76 : 43,302,813.12 = 23,628,881.28 : x
  2. Step 2: Convert to fraction form
    31,377,509.76/43,302,813.12 = 23,628,881.28/x
  3. Step 3: Cross multiply
    31,377,509.76x = 43,302,813.12 × 23,628,881.28
  4. Step 4: Simplify right side
    31,377,509.76x = 1,023,197,030,302,506.38
  5. Step 5: Solve for x
    x = 1,023,197,030,302,506.38/31,377,509.76
  6. Step 6: Final answer
    x = 32,609,249.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.