Home / 56,143.43-84,225.68-18,705.77

Finding the Fourth Proportional to 56,143.43, 84,225.68 and 18,705.77

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Solution

The fourth proportional to 56,143.43, 84,225.68 and 18,705.77 is: 28,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.43 : 84,225.68 = 18,705.77 : x
  2. Step 2: Convert to fraction form
    56,143.43/84,225.68 = 18,705.77/x
  3. Step 3: Cross multiply
    56,143.43x = 84,225.68 × 18,705.77
  4. Step 4: Simplify right side
    56,143.43x = 1,575,506,104.64
  5. Step 5: Solve for x
    x = 1,575,506,104.64/56,143.43
  6. Step 6: Final answer
    x = 28,062.16

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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.