Home / 56,224.68-77,554.22-42,766.40

Finding the Fourth Proportional to 56,224.68, 77,554.22 and 42,766.40

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Solution

The fourth proportional to 56,224.68, 77,554.22 and 42,766.40 is: 58,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,224.68 : 77,554.22 = 42,766.40 : x
  2. Step 2: Convert to fraction form
    56,224.68/77,554.22 = 42,766.40/x
  3. Step 3: Cross multiply
    56,224.68x = 77,554.22 × 42,766.40
  4. Step 4: Simplify right side
    56,224.68x = 3,316,714,192.60
  5. Step 5: Solve for x
    x = 3,316,714,192.60/56,224.68
  6. Step 6: Final answer
    x = 58,990.36

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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.