Home / 56,025.34-77,314.99-30,531.72

Finding the Fourth Proportional to 56,025.34, 77,314.99 and 30,531.72

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Solution

The fourth proportional to 56,025.34, 77,314.99 and 30,531.72 is: 42,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,025.34 : 77,314.99 = 30,531.72 : x
  2. Step 2: Convert to fraction form
    56,025.34/77,314.99 = 30,531.72/x
  3. Step 3: Cross multiply
    56,025.34x = 77,314.99 × 30,531.72
  4. Step 4: Simplify right side
    56,025.34x = 2,360,559,125.41
  5. Step 5: Solve for x
    x = 2,360,559,125.41/56,025.34
  6. Step 6: Final answer
    x = 42,133.77

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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.