Home / 45,345.30-62,534.66-28,344.12

Finding the Fourth Proportional to 45,345.30, 62,534.66 and 28,344.12

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Solution

The fourth proportional to 45,345.30, 62,534.66 and 28,344.12 is: 39,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,345.30 : 62,534.66 = 28,344.12 : x
  2. Step 2: Convert to fraction form
    45,345.30/62,534.66 = 28,344.12/x
  3. Step 3: Cross multiply
    45,345.30x = 62,534.66 × 28,344.12
  4. Step 4: Simplify right side
    45,345.30x = 1,772,489,907.20
  5. Step 5: Solve for x
    x = 1,772,489,907.20/45,345.30
  6. Step 6: Final answer
    x = 39,088.72

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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.