Home / 56,328.76-77,719.86-34,519.08

Finding the Fourth Proportional to 56,328.76, 77,719.86 and 34,519.08

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Solution

The fourth proportional to 56,328.76, 77,719.86 and 34,519.08 is: 47,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,328.76 : 77,719.86 = 34,519.08 : x
  2. Step 2: Convert to fraction form
    56,328.76/77,719.86 = 34,519.08/x
  3. Step 3: Cross multiply
    56,328.76x = 77,719.86 × 34,519.08
  4. Step 4: Simplify right side
    56,328.76x = 2,682,818,064.93
  5. Step 5: Solve for x
    x = 2,682,818,064.93/56,328.76
  6. Step 6: Final answer
    x = 47,627.86

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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.