Home / 60,328.67-90,345.31-42,515.55

Finding the Fourth Proportional to 60,328.67, 90,345.31 and 42,515.55

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Solution

The fourth proportional to 60,328.67, 90,345.31 and 42,515.55 is: 63,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,328.67 : 90,345.31 = 42,515.55 : x
  2. Step 2: Convert to fraction form
    60,328.67/90,345.31 = 42,515.55/x
  3. Step 3: Cross multiply
    60,328.67x = 90,345.31 × 42,515.55
  4. Step 4: Simplify right side
    60,328.67x = 3,841,080,438.28
  5. Step 5: Solve for x
    x = 3,841,080,438.28/60,328.67
  6. Step 6: Final answer
    x = 63,669.24

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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.