Home / 51,155.34-76,649.58-31,392.18

Finding the Fourth Proportional to 51,155.34, 76,649.58 and 31,392.18

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Solution

The fourth proportional to 51,155.34, 76,649.58 and 31,392.18 is: 47,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,155.34 : 76,649.58 = 31,392.18 : x
  2. Step 2: Convert to fraction form
    51,155.34/76,649.58 = 31,392.18/x
  3. Step 3: Cross multiply
    51,155.34x = 76,649.58 × 31,392.18
  4. Step 4: Simplify right side
    51,155.34x = 2,406,197,412.28
  5. Step 5: Solve for x
    x = 2,406,197,412.28/51,155.34
  6. Step 6: Final answer
    x = 47,037.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.