Home / 42,001.40-63,131.70-41,223.80

Finding the Fourth Proportional to 42,001.40, 63,131.70 and 41,223.80

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Solution

The fourth proportional to 42,001.40, 63,131.70 and 41,223.80 is: 61,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.40 : 63,131.70 = 41,223.80 : x
  2. Step 2: Convert to fraction form
    42,001.40/63,131.70 = 41,223.80/x
  3. Step 3: Cross multiply
    42,001.40x = 63,131.70 × 41,223.80
  4. Step 4: Simplify right side
    42,001.40x = 2,602,528,574.46
  5. Step 5: Solve for x
    x = 2,602,528,574.46/42,001.40
  6. Step 6: Final answer
    x = 61,962.90

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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.