Home / 55,541.77-83,312.56-13,988.77

Finding the Fourth Proportional to 55,541.77, 83,312.56 and 13,988.77

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Solution

The fourth proportional to 55,541.77, 83,312.56 and 13,988.77 is: 20,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.77 : 83,312.56 = 13,988.77 : x
  2. Step 2: Convert to fraction form
    55,541.77/83,312.56 = 13,988.77/x
  3. Step 3: Cross multiply
    55,541.77x = 83,312.56 × 13,988.77
  4. Step 4: Simplify right side
    55,541.77x = 1,165,440,239.95
  5. Step 5: Solve for x
    x = 1,165,440,239.95/55,541.77
  6. Step 6: Final answer
    x = 20,983.13

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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.