Home / 42,011.32-63,009.62-15,710.62

Finding the Fourth Proportional to 42,011.32, 63,009.62 and 15,710.62

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Solution

The fourth proportional to 42,011.32, 63,009.62 and 15,710.62 is: 23,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.32 : 63,009.62 = 15,710.62 : x
  2. Step 2: Convert to fraction form
    42,011.32/63,009.62 = 15,710.62/x
  3. Step 3: Cross multiply
    42,011.32x = 63,009.62 × 15,710.62
  4. Step 4: Simplify right side
    42,011.32x = 989,920,196.16
  5. Step 5: Solve for x
    x = 989,920,196.16/42,011.32
  6. Step 6: Final answer
    x = 23,563.18

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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.