Home / 51,320.71-70,818.54-28,657.93

Finding the Fourth Proportional to 51,320.71, 70,818.54 and 28,657.93

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Solution

The fourth proportional to 51,320.71, 70,818.54 and 28,657.93 is: 39,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.71 : 70,818.54 = 28,657.93 : x
  2. Step 2: Convert to fraction form
    51,320.71/70,818.54 = 28,657.93/x
  3. Step 3: Cross multiply
    51,320.71x = 70,818.54 × 28,657.93
  4. Step 4: Simplify right side
    51,320.71x = 2,029,512,762.02
  5. Step 5: Solve for x
    x = 2,029,512,762.02/51,320.71
  6. Step 6: Final answer
    x = 39,545.69

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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.