Home / 34,592.76-47,739.18-20,457.72

Finding the Fourth Proportional to 34,592.76, 47,739.18 and 20,457.72

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Solution

The fourth proportional to 34,592.76, 47,739.18 and 20,457.72 is: 28,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,592.76 : 47,739.18 = 20,457.72 : x
  2. Step 2: Convert to fraction form
    34,592.76/47,739.18 = 20,457.72/x
  3. Step 3: Cross multiply
    34,592.76x = 47,739.18 × 20,457.72
  4. Step 4: Simplify right side
    34,592.76x = 976,634,777.47
  5. Step 5: Solve for x
    x = 976,634,777.47/34,592.76
  6. Step 6: Final answer
    x = 28,232.35

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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.