Home / 35,655.31-49,209.47-20,545.08

Finding the Fourth Proportional to 35,655.31, 49,209.47 and 20,545.08

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Solution

The fourth proportional to 35,655.31, 49,209.47 and 20,545.08 is: 28,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.31 : 49,209.47 = 20,545.08 : x
  2. Step 2: Convert to fraction form
    35,655.31/49,209.47 = 20,545.08/x
  3. Step 3: Cross multiply
    35,655.31x = 49,209.47 × 20,545.08
  4. Step 4: Simplify right side
    35,655.31x = 1,011,012,497.91
  5. Step 5: Solve for x
    x = 1,011,012,497.91/35,655.31
  6. Step 6: Final answer
    x = 28,355.17

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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.