Home / 42,154.30-63,262.63-19,967.72

Finding the Fourth Proportional to 42,154.30, 63,262.63 and 19,967.72

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Solution

The fourth proportional to 42,154.30, 63,262.63 and 19,967.72 is: 29,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154.30 : 63,262.63 = 19,967.72 : x
  2. Step 2: Convert to fraction form
    42,154.30/63,262.63 = 19,967.72/x
  3. Step 3: Cross multiply
    42,154.30x = 63,262.63 × 19,967.72
  4. Step 4: Simplify right side
    42,154.30x = 1,263,210,482.30
  5. Step 5: Solve for x
    x = 1,263,210,482.30/42,154.30
  6. Step 6: Final answer
    x = 29,966.35

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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.