Home / 55,488.13-83,240.10-18,036.16

Finding the Fourth Proportional to 55,488.13, 83,240.10 and 18,036.16

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Solution

The fourth proportional to 55,488.13, 83,240.10 and 18,036.16 is: 27,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488.13 : 83,240.10 = 18,036.16 : x
  2. Step 2: Convert to fraction form
    55,488.13/83,240.10 = 18,036.16/x
  3. Step 3: Cross multiply
    55,488.13x = 83,240.10 × 18,036.16
  4. Step 4: Simplify right side
    55,488.13x = 1,501,331,762.02
  5. Step 5: Solve for x
    x = 1,501,331,762.02/55,488.13
  6. Step 6: Final answer
    x = 27,056.81

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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.