Home / 55,678.96-76,938.66-40,545.16

Finding the Fourth Proportional to 55,678.96, 76,938.66 and 40,545.16

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Solution

The fourth proportional to 55,678.96, 76,938.66 and 40,545.16 is: 56,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,678.96 : 76,938.66 = 40,545.16 : x
  2. Step 2: Convert to fraction form
    55,678.96/76,938.66 = 40,545.16/x
  3. Step 3: Cross multiply
    55,678.96x = 76,938.66 × 40,545.16
  4. Step 4: Simplify right side
    55,678.96x = 3,119,490,279.89
  5. Step 5: Solve for x
    x = 3,119,490,279.89/55,678.96
  6. Step 6: Final answer
    x = 56,026.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.