Home / 55,411.13-83,116.70-13,858.13

Finding the Fourth Proportional to 55,411.13, 83,116.70 and 13,858.13

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Solution

The fourth proportional to 55,411.13, 83,116.70 and 13,858.13 is: 20,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.13 : 83,116.70 = 13,858.13 : x
  2. Step 2: Convert to fraction form
    55,411.13/83,116.70 = 13,858.13/x
  3. Step 3: Cross multiply
    55,411.13x = 83,116.70 × 13,858.13
  4. Step 4: Simplify right side
    55,411.13x = 1,151,842,033.77
  5. Step 5: Solve for x
    x = 1,151,842,033.77/55,411.13
  6. Step 6: Final answer
    x = 20,787.20

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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.