Home / 42,444.36-63,673.13-12,855.15

Finding the Fourth Proportional to 42,444.36, 63,673.13 and 12,855.15

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Solution

The fourth proportional to 42,444.36, 63,673.13 and 12,855.15 is: 19,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444.36 : 63,673.13 = 12,855.15 : x
  2. Step 2: Convert to fraction form
    42,444.36/63,673.13 = 12,855.15/x
  3. Step 3: Cross multiply
    42,444.36x = 63,673.13 × 12,855.15
  4. Step 4: Simplify right side
    42,444.36x = 818,527,669.26
  5. Step 5: Solve for x
    x = 818,527,669.26/42,444.36
  6. Step 6: Final answer
    x = 19,284.72

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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.