Home / 52,227.80-78,341.52-12,784.40

Finding the Fourth Proportional to 52,227.80, 78,341.52 and 12,784.40

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Solution

The fourth proportional to 52,227.80, 78,341.52 and 12,784.40 is: 19,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,227.80 : 78,341.52 = 12,784.40 : x
  2. Step 2: Convert to fraction form
    52,227.80/78,341.52 = 12,784.40/x
  3. Step 3: Cross multiply
    52,227.80x = 78,341.52 × 12,784.40
  4. Step 4: Simplify right side
    52,227.80x = 1,001,549,328.29
  5. Step 5: Solve for x
    x = 1,001,549,328.29/52,227.80
  6. Step 6: Final answer
    x = 19,176.56

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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.