Home / 44,280.40-66,420.60-42,437.20

Finding the Fourth Proportional to 44,280.40, 66,420.60 and 42,437.20

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Solution

The fourth proportional to 44,280.40, 66,420.60 and 42,437.20 is: 63,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,280.40 : 66,420.60 = 42,437.20 : x
  2. Step 2: Convert to fraction form
    44,280.40/66,420.60 = 42,437.20/x
  3. Step 3: Cross multiply
    44,280.40x = 66,420.60 × 42,437.20
  4. Step 4: Simplify right side
    44,280.40x = 2,818,704,286.32
  5. Step 5: Solve for x
    x = 2,818,704,286.32/44,280.40
  6. Step 6: Final answer
    x = 63,655.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.