Home / 52,030.08-71,801.70-28,156.76

Finding the Fourth Proportional to 52,030.08, 71,801.70 and 28,156.76

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Solution

The fourth proportional to 52,030.08, 71,801.70 and 28,156.76 is: 38,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,030.08 : 71,801.70 = 28,156.76 : x
  2. Step 2: Convert to fraction form
    52,030.08/71,801.70 = 28,156.76/x
  3. Step 3: Cross multiply
    52,030.08x = 71,801.70 × 28,156.76
  4. Step 4: Simplify right side
    52,030.08x = 2,021,702,875.48
  5. Step 5: Solve for x
    x = 2,021,702,875.48/52,030.08
  6. Step 6: Final answer
    x = 38,856.42

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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.