Home / 49,506.30-74,259.45-42,143.40

Finding the Fourth Proportional to 49,506.30, 74,259.45 and 42,143.40

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Solution

The fourth proportional to 49,506.30, 74,259.45 and 42,143.40 is: 63,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,506.30 : 74,259.45 = 42,143.40 : x
  2. Step 2: Convert to fraction form
    49,506.30/74,259.45 = 42,143.40/x
  3. Step 3: Cross multiply
    49,506.30x = 74,259.45 × 42,143.40
  4. Step 4: Simplify right side
    49,506.30x = 3,129,545,705.13
  5. Step 5: Solve for x
    x = 3,129,545,705.13/49,506.30
  6. Step 6: Final answer
    x = 63,215.10

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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.