Home / 55,941.18-77,200.24-30,448.92

Finding the Fourth Proportional to 55,941.18, 77,200.24 and 30,448.92

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Solution

The fourth proportional to 55,941.18, 77,200.24 and 30,448.92 is: 42,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.18 : 77,200.24 = 30,448.92 : x
  2. Step 2: Convert to fraction form
    55,941.18/77,200.24 = 30,448.92/x
  3. Step 3: Cross multiply
    55,941.18x = 77,200.24 × 30,448.92
  4. Step 4: Simplify right side
    55,941.18x = 2,350,663,931.74
  5. Step 5: Solve for x
    x = 2,350,663,931.74/55,941.18
  6. Step 6: Final answer
    x = 42,020.28

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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.