Home / 52,140.45-71,953.50-28,267.05

Finding the Fourth Proportional to 52,140.45, 71,953.50 and 28,267.05

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Solution

The fourth proportional to 52,140.45, 71,953.50 and 28,267.05 is: 39,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140.45 : 71,953.50 = 28,267.05 : x
  2. Step 2: Convert to fraction form
    52,140.45/71,953.50 = 28,267.05/x
  3. Step 3: Cross multiply
    52,140.45x = 71,953.50 × 28,267.05
  4. Step 4: Simplify right side
    52,140.45x = 2,033,913,182.18
  5. Step 5: Solve for x
    x = 2,033,913,182.18/52,140.45
  6. Step 6: Final answer
    x = 39,008.35

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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.