Home / 55,966.02-77,233.02-30,815.52

Finding the Fourth Proportional to 55,966.02, 77,233.02 and 30,815.52

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Solution

The fourth proportional to 55,966.02, 77,233.02 and 30,815.52 is: 42,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.02 : 77,233.02 = 30,815.52 : x
  2. Step 2: Convert to fraction form
    55,966.02/77,233.02 = 30,815.52/x
  3. Step 3: Cross multiply
    55,966.02x = 77,233.02 × 30,815.52
  4. Step 4: Simplify right side
    55,966.02x = 2,379,975,672.47
  5. Step 5: Solve for x
    x = 2,379,975,672.47/55,966.02
  6. Step 6: Final answer
    x = 42,525.37

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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.