Home / 51,587.70-77,383.17-18,307.23

Finding the Fourth Proportional to 51,587.70, 77,383.17 and 18,307.23

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Solution

The fourth proportional to 51,587.70, 77,383.17 and 18,307.23 is: 27,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,587.70 : 77,383.17 = 18,307.23 : x
  2. Step 2: Convert to fraction form
    51,587.70/77,383.17 = 18,307.23/x
  3. Step 3: Cross multiply
    51,587.70x = 77,383.17 × 18,307.23
  4. Step 4: Simplify right side
    51,587.70x = 1,416,671,491.32
  5. Step 5: Solve for x
    x = 1,416,671,491.32/51,587.70
  6. Step 6: Final answer
    x = 27,461.42

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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.