Home / 56,146.95-77,479.47-30,648.24

Finding the Fourth Proportional to 56,146.95, 77,479.47 and 30,648.24

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Solution

The fourth proportional to 56,146.95, 77,479.47 and 30,648.24 is: 42,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,146.95 : 77,479.47 = 30,648.24 : x
  2. Step 2: Convert to fraction form
    56,146.95/77,479.47 = 30,648.24/x
  3. Step 3: Cross multiply
    56,146.95x = 77,479.47 × 30,648.24
  4. Step 4: Simplify right side
    56,146.95x = 2,374,609,391.63
  5. Step 5: Solve for x
    x = 2,374,609,391.63/56,146.95
  6. Step 6: Final answer
    x = 42,292.76

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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.