Home / 30,472.16-42,051.33-17,043.40

Finding the Fourth Proportional to 30,472.16, 42,051.33 and 17,043.40

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Solution

The fourth proportional to 30,472.16, 42,051.33 and 17,043.40 is: 23,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.16 : 42,051.33 = 17,043.40 : x
  2. Step 2: Convert to fraction form
    30,472.16/42,051.33 = 17,043.40/x
  3. Step 3: Cross multiply
    30,472.16x = 42,051.33 × 17,043.40
  4. Step 4: Simplify right side
    30,472.16x = 716,697,552.51
  5. Step 5: Solve for x
    x = 716,697,552.51/30,472.16
  6. Step 6: Final answer
    x = 23,519.75

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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.