Home / 56,119.79-77,445.75-30,626.36

Finding the Fourth Proportional to 56,119.79, 77,445.75 and 30,626.36

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Solution

The fourth proportional to 56,119.79, 77,445.75 and 30,626.36 is: 42,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.79 : 77,445.75 = 30,626.36 : x
  2. Step 2: Convert to fraction form
    56,119.79/77,445.75 = 30,626.36/x
  3. Step 3: Cross multiply
    56,119.79x = 77,445.75 × 30,626.36
  4. Step 4: Simplify right side
    56,119.79x = 2,371,881,032.74
  5. Step 5: Solve for x
    x = 2,371,881,032.74/56,119.79
  6. Step 6: Final answer
    x = 42,264.61

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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.