Home / 56,149.08-77,483.70-30,998.04

Finding the Fourth Proportional to 56,149.08, 77,483.70 and 30,998.04

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Solution

The fourth proportional to 56,149.08, 77,483.70 and 30,998.04 is: 42,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,149.08 : 77,483.70 = 30,998.04 : x
  2. Step 2: Convert to fraction form
    56,149.08/77,483.70 = 30,998.04/x
  3. Step 3: Cross multiply
    56,149.08x = 77,483.70 × 30,998.04
  4. Step 4: Simplify right side
    56,149.08x = 2,401,842,831.95
  5. Step 5: Solve for x
    x = 2,401,842,831.95/56,149.08
  6. Step 6: Final answer
    x = 42,776.17

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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.