Home / 51,671.88-77,312.18-30,623.22

Finding the Fourth Proportional to 51,671.88, 77,312.18 and 30,623.22

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Solution

The fourth proportional to 51,671.88, 77,312.18 and 30,623.22 is: 45,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,671.88 : 77,312.18 = 30,623.22 : x
  2. Step 2: Convert to fraction form
    51,671.88/77,312.18 = 30,623.22/x
  3. Step 3: Cross multiply
    51,671.88x = 77,312.18 × 30,623.22
  4. Step 4: Simplify right side
    51,671.88x = 2,367,547,973.38
  5. Step 5: Solve for x
    x = 2,367,547,973.38/51,671.88
  6. Step 6: Final answer
    x = 45,818.89

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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.