Home / 42,259.08-58,318.43-23,139.66

Finding the Fourth Proportional to 42,259.08, 58,318.43 and 23,139.66

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Solution

The fourth proportional to 42,259.08, 58,318.43 and 23,139.66 is: 31,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,259.08 : 58,318.43 = 23,139.66 : x
  2. Step 2: Convert to fraction form
    42,259.08/58,318.43 = 23,139.66/x
  3. Step 3: Cross multiply
    42,259.08x = 58,318.43 × 23,139.66
  4. Step 4: Simplify right side
    42,259.08x = 1,349,468,526.24
  5. Step 5: Solve for x
    x = 1,349,468,526.24/42,259.08
  6. Step 6: Final answer
    x = 31,933.22

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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.