Home / 42,412.70-63,619.05-39,302.30

Finding the Fourth Proportional to 42,412.70, 63,619.05 and 39,302.30

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Solution

The fourth proportional to 42,412.70, 63,619.05 and 39,302.30 is: 58,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,412.70 : 63,619.05 = 39,302.30 : x
  2. Step 2: Convert to fraction form
    42,412.70/63,619.05 = 39,302.30/x
  3. Step 3: Cross multiply
    42,412.70x = 63,619.05 × 39,302.30
  4. Step 4: Simplify right side
    42,412.70x = 2,500,374,988.82
  5. Step 5: Solve for x
    x = 2,500,374,988.82/42,412.70
  6. Step 6: Final answer
    x = 58,953.45

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1.5x scale

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.