Home / 37,153.80-55,730.70-21,407.40

Finding the Fourth Proportional to 37,153.80, 55,730.70 and 21,407.40

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Solution

The fourth proportional to 37,153.80, 55,730.70 and 21,407.40 is: 32,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.80 : 55,730.70 = 21,407.40 : x
  2. Step 2: Convert to fraction form
    37,153.80/55,730.70 = 21,407.40/x
  3. Step 3: Cross multiply
    37,153.80x = 55,730.70 × 21,407.40
  4. Step 4: Simplify right side
    37,153.80x = 1,193,049,387.18
  5. Step 5: Solve for x
    x = 1,193,049,387.18/37,153.80
  6. Step 6: Final answer
    x = 32,111.10

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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.