Home / 51,423.32-70,970.76-28,763.57

Finding the Fourth Proportional to 51,423.32, 70,970.76 and 28,763.57

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Solution

The fourth proportional to 51,423.32, 70,970.76 and 28,763.57 is: 39,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.32 : 70,970.76 = 28,763.57 : x
  2. Step 2: Convert to fraction form
    51,423.32/70,970.76 = 28,763.57/x
  3. Step 3: Cross multiply
    51,423.32x = 70,970.76 × 28,763.57
  4. Step 4: Simplify right side
    51,423.32x = 2,041,372,519.74
  5. Step 5: Solve for x
    x = 2,041,372,519.74/51,423.32
  6. Step 6: Final answer
    x = 39,697.41

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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.