Home / 55,712.23-83,560.13-18,276.26

Finding the Fourth Proportional to 55,712.23, 83,560.13 and 18,276.26

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Solution

The fourth proportional to 55,712.23, 83,560.13 and 18,276.26 is: 27,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712.23 : 83,560.13 = 18,276.26 : x
  2. Step 2: Convert to fraction form
    55,712.23/83,560.13 = 18,276.26/x
  3. Step 3: Cross multiply
    55,712.23x = 83,560.13 × 18,276.26
  4. Step 4: Simplify right side
    55,712.23x = 1,527,166,661.51
  5. Step 5: Solve for x
    x = 1,527,166,661.51/55,712.23
  6. Step 6: Final answer
    x = 27,411.70

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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.