Home / 48,688.15-67,200.85-28,551.51

Finding the Fourth Proportional to 48,688.15, 67,200.85 and 28,551.51

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Solution

The fourth proportional to 48,688.15, 67,200.85 and 28,551.51 is: 39,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,688.15 : 67,200.85 = 28,551.51 : x
  2. Step 2: Convert to fraction form
    48,688.15/67,200.85 = 28,551.51/x
  3. Step 3: Cross multiply
    48,688.15x = 67,200.85 × 28,551.51
  4. Step 4: Simplify right side
    48,688.15x = 1,918,685,740.78
  5. Step 5: Solve for x
    x = 1,918,685,740.78/48,688.15
  6. Step 6: Final answer
    x = 39,407.65

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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.