Home / 42,136.16-63,236.88-15,864.80

Finding the Fourth Proportional to 42,136.16, 63,236.88 and 15,864.80

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Solution

The fourth proportional to 42,136.16, 63,236.88 and 15,864.80 is: 23,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.16 : 63,236.88 = 15,864.80 : x
  2. Step 2: Convert to fraction form
    42,136.16/63,236.88 = 15,864.80/x
  3. Step 3: Cross multiply
    42,136.16x = 63,236.88 × 15,864.80
  4. Step 4: Simplify right side
    42,136.16x = 1,003,240,453.82
  5. Step 5: Solve for x
    x = 1,003,240,453.82/42,136.16
  6. Step 6: Final answer
    x = 23,809.49

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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.