Home / 47,290.42-70,810.48-28,545.40

Finding the Fourth Proportional to 47,290.42, 70,810.48 and 28,545.40

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Solution

The fourth proportional to 47,290.42, 70,810.48 and 28,545.40 is: 42,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,290.42 : 70,810.48 = 28,545.40 : x
  2. Step 2: Convert to fraction form
    47,290.42/70,810.48 = 28,545.40/x
  3. Step 3: Cross multiply
    47,290.42x = 70,810.48 × 28,545.40
  4. Step 4: Simplify right side
    47,290.42x = 2,021,313,475.79
  5. Step 5: Solve for x
    x = 2,021,313,475.79/47,290.42
  6. Step 6: Final answer
    x = 42,742.56

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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.