Home / 51,155.04-70,594-28,498.40

Finding the Fourth Proportional to 51,155.04, 70,594 and 28,498.40

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Solution

The fourth proportional to 51,155.04, 70,594 and 28,498.40 is: 39,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,155.04 : 70,594 = 28,498.40 : x
  2. Step 2: Convert to fraction form
    51,155.04/70,594 = 28,498.40/x
  3. Step 3: Cross multiply
    51,155.04x = 70,594 × 28,498.40
  4. Step 4: Simplify right side
    51,155.04x = 2,011,816,049.60
  5. Step 5: Solve for x
    x = 2,011,816,049.60/51,155.04
  6. Step 6: Final answer
    x = 39,327.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.