Home / 55,746.24-83,612.16-14,190.72

Finding the Fourth Proportional to 55,746.24, 83,612.16 and 14,190.72

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Solution

The fourth proportional to 55,746.24, 83,612.16 and 14,190.72 is: 21,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,746.24 : 83,612.16 = 14,190.72 : x
  2. Step 2: Convert to fraction form
    55,746.24/83,612.16 = 14,190.72/x
  3. Step 3: Cross multiply
    55,746.24x = 83,612.16 × 14,190.72
  4. Step 4: Simplify right side
    55,746.24x = 1,186,516,751.16
  5. Step 5: Solve for x
    x = 1,186,516,751.16/55,746.24
  6. Step 6: Final answer
    x = 21,284.25

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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.