Home / 51,423.46-70,970.95-28,763.71

Finding the Fourth Proportional to 51,423.46, 70,970.95 and 28,763.71

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Solution

The fourth proportional to 51,423.46, 70,970.95 and 28,763.71 is: 39,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.46 : 70,970.95 = 28,763.71 : x
  2. Step 2: Convert to fraction form
    51,423.46/70,970.95 = 28,763.71/x
  3. Step 3: Cross multiply
    51,423.46x = 70,970.95 × 28,763.71
  4. Step 4: Simplify right side
    51,423.46x = 2,041,388,081.96
  5. Step 5: Solve for x
    x = 2,041,388,081.96/51,423.46
  6. Step 6: Final answer
    x = 39,697.60

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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.