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Finding the Fourth Proportional to 56,334.57, 77,741.04 and 30,840.63

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Solution

The fourth proportional to 56,334.57, 77,741.04 and 30,840.63 is: 42,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,334.57 : 77,741.04 = 30,840.63 : x
  2. Step 2: Convert to fraction form
    56,334.57/77,741.04 = 30,840.63/x
  3. Step 3: Cross multiply
    56,334.57x = 77,741.04 × 30,840.63
  4. Step 4: Simplify right side
    56,334.57x = 2,397,582,650.46
  5. Step 5: Solve for x
    x = 2,397,582,650.46/56,334.57
  6. Step 6: Final answer
    x = 42,559.70

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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.