Home / 42,442.32-63,670.68-19,085.16

Finding the Fourth Proportional to 42,442.32, 63,670.68 and 19,085.16

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Solution

The fourth proportional to 42,442.32, 63,670.68 and 19,085.16 is: 28,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442.32 : 63,670.68 = 19,085.16 : x
  2. Step 2: Convert to fraction form
    42,442.32/63,670.68 = 19,085.16/x
  3. Step 3: Cross multiply
    42,442.32x = 63,670.68 × 19,085.16
  4. Step 4: Simplify right side
    42,442.32x = 1,215,165,115.11
  5. Step 5: Solve for x
    x = 1,215,165,115.11/42,442.32
  6. Step 6: Final answer
    x = 28,630.98

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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.