Home / 35,345.80-48,775.97-19,430.14

Finding the Fourth Proportional to 35,345.80, 48,775.97 and 19,430.14

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Solution

The fourth proportional to 35,345.80, 48,775.97 and 19,430.14 is: 26,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.80 : 48,775.97 = 19,430.14 : x
  2. Step 2: Convert to fraction form
    35,345.80/48,775.97 = 19,430.14/x
  3. Step 3: Cross multiply
    35,345.80x = 48,775.97 × 19,430.14
  4. Step 4: Simplify right side
    35,345.80x = 947,723,681.86
  5. Step 5: Solve for x
    x = 947,723,681.86/35,345.80
  6. Step 6: Final answer
    x = 26,812.91

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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.