Home / 51,281.23-70,771.65-28,624.63

Finding the Fourth Proportional to 51,281.23, 70,771.65 and 28,624.63

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Solution

The fourth proportional to 51,281.23, 70,771.65 and 28,624.63 is: 39,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281.23 : 70,771.65 = 28,624.63 : x
  2. Step 2: Convert to fraction form
    51,281.23/70,771.65 = 28,624.63/x
  3. Step 3: Cross multiply
    51,281.23x = 70,771.65 × 28,624.63
  4. Step 4: Simplify right side
    51,281.23x = 2,025,812,295.74
  5. Step 5: Solve for x
    x = 2,025,812,295.74/51,281.23
  6. Step 6: Final answer
    x = 39,503.97

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1.5x scale

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.