Home / 53,688.95-80,500.34-18,146.91

Finding the Fourth Proportional to 53,688.95, 80,500.34 and 18,146.91

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Solution

The fourth proportional to 53,688.95, 80,500.34 and 18,146.91 is: 27,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.95 : 80,500.34 = 18,146.91 : x
  2. Step 2: Convert to fraction form
    53,688.95/80,500.34 = 18,146.91/x
  3. Step 3: Cross multiply
    53,688.95x = 80,500.34 × 18,146.91
  4. Step 4: Simplify right side
    53,688.95x = 1,460,832,772.19
  5. Step 5: Solve for x
    x = 1,460,832,772.19/53,688.95
  6. Step 6: Final answer
    x = 27,209.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.