Home / 50,916.68-70,265.40-28,255.76

Finding the Fourth Proportional to 50,916.68, 70,265.40 and 28,255.76

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Solution

The fourth proportional to 50,916.68, 70,265.40 and 28,255.76 is: 38,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,916.68 : 70,265.40 = 28,255.76 : x
  2. Step 2: Convert to fraction form
    50,916.68/70,265.40 = 28,255.76/x
  3. Step 3: Cross multiply
    50,916.68x = 70,265.40 × 28,255.76
  4. Step 4: Simplify right side
    50,916.68x = 1,985,402,278.70
  5. Step 5: Solve for x
    x = 1,985,402,278.70/50,916.68
  6. Step 6: Final answer
    x = 38,993.16

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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.