Home / 42,060.60-63,090.64-10,470.50

Finding the Fourth Proportional to 42,060.60, 63,090.64 and 10,470.50

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Solution

The fourth proportional to 42,060.60, 63,090.64 and 10,470.50 is: 15,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,060.60 : 63,090.64 = 10,470.50 : x
  2. Step 2: Convert to fraction form
    42,060.60/63,090.64 = 10,470.50/x
  3. Step 3: Cross multiply
    42,060.60x = 63,090.64 × 10,470.50
  4. Step 4: Simplify right side
    42,060.60x = 660,590,546.12
  5. Step 5: Solve for x
    x = 660,590,546.12/42,060.60
  6. Step 6: Final answer
    x = 15,705.69

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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.