Home / 56,025.03-77,314.55-30,531.40

Finding the Fourth Proportional to 56,025.03, 77,314.55 and 30,531.40

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Solution

The fourth proportional to 56,025.03, 77,314.55 and 30,531.40 is: 42,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,025.03 : 77,314.55 = 30,531.40 : x
  2. Step 2: Convert to fraction form
    56,025.03/77,314.55 = 30,531.40/x
  3. Step 3: Cross multiply
    56,025.03x = 77,314.55 × 30,531.40
  4. Step 4: Simplify right side
    56,025.03x = 2,360,521,732.64
  5. Step 5: Solve for x
    x = 2,360,521,732.64/56,025.03
  6. Step 6: Final answer
    x = 42,133.34

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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.