Home / 55,931.04-77,185.17-30,437.61

Finding the Fourth Proportional to 55,931.04, 77,185.17 and 30,437.61

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Solution

The fourth proportional to 55,931.04, 77,185.17 and 30,437.61 is: 42,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,931.04 : 77,185.17 = 30,437.61 : x
  2. Step 2: Convert to fraction form
    55,931.04/77,185.17 = 30,437.61/x
  3. Step 3: Cross multiply
    55,931.04x = 77,185.17 × 30,437.61
  4. Step 4: Simplify right side
    55,931.04x = 2,349,332,102.24
  5. Step 5: Solve for x
    x = 2,349,332,102.24/55,931.04
  6. Step 6: Final answer
    x = 42,004.08

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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.