Home / 64,702.12-89,319.14-37,840.92

Finding the Fourth Proportional to 64,702.12, 89,319.14 and 37,840.92

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Solution

The fourth proportional to 64,702.12, 89,319.14 and 37,840.92 is: 52,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,702.12 : 89,319.14 = 37,840.92 : x
  2. Step 2: Convert to fraction form
    64,702.12/89,319.14 = 37,840.92/x
  3. Step 3: Cross multiply
    64,702.12x = 89,319.14 × 37,840.92
  4. Step 4: Simplify right side
    64,702.12x = 3,379,918,431.21
  5. Step 5: Solve for x
    x = 3,379,918,431.21/64,702.12
  6. Step 6: Final answer
    x = 52,238.14

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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.