Home / 64,487.52-88,995.60-40,605.12

Finding the Fourth Proportional to 64,487.52, 88,995.60 and 40,605.12

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Solution

The fourth proportional to 64,487.52, 88,995.60 and 40,605.12 is: 56,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,487.52 : 88,995.60 = 40,605.12 : x
  2. Step 2: Convert to fraction form
    64,487.52/88,995.60 = 40,605.12/x
  3. Step 3: Cross multiply
    64,487.52x = 88,995.60 × 40,605.12
  4. Step 4: Simplify right side
    64,487.52x = 3,613,677,017.47
  5. Step 5: Solve for x
    x = 3,613,677,017.47/64,487.52
  6. Step 6: Final answer
    x = 56,036.84

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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.