Home / 42,475-63,720.19-17,501.16

Finding the Fourth Proportional to 42,475, 63,720.19 and 17,501.16

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Solution

The fourth proportional to 42,475, 63,720.19 and 17,501.16 is: 26,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,475 : 63,720.19 = 17,501.16 : x
  2. Step 2: Convert to fraction form
    42,475/63,720.19 = 17,501.16/x
  3. Step 3: Cross multiply
    42,475x = 63,720.19 × 17,501.16
  4. Step 4: Simplify right side
    42,475x = 1,115,177,152.91
  5. Step 5: Solve for x
    x = 1,115,177,152.91/42,475
  6. Step 6: Final answer
    x = 26,254.91

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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.