Home / 45,587.71-68,381.58-12,307.74

Finding the Fourth Proportional to 45,587.71, 68,381.58 and 12,307.74

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Solution

The fourth proportional to 45,587.71, 68,381.58 and 12,307.74 is: 18,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,587.71 : 68,381.58 = 12,307.74 : x
  2. Step 2: Convert to fraction form
    45,587.71/68,381.58 = 12,307.74/x
  3. Step 3: Cross multiply
    45,587.71x = 68,381.58 × 12,307.74
  4. Step 4: Simplify right side
    45,587.71x = 841,622,707.43
  5. Step 5: Solve for x
    x = 841,622,707.43/45,587.71
  6. Step 6: Final answer
    x = 18,461.61

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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.