Home / 34,756.16-47,963.57-18,840.65

Finding the Fourth Proportional to 34,756.16, 47,963.57 and 18,840.65

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Solution

The fourth proportional to 34,756.16, 47,963.57 and 18,840.65 is: 26,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.16 : 47,963.57 = 18,840.65 : x
  2. Step 2: Convert to fraction form
    34,756.16/47,963.57 = 18,840.65/x
  3. Step 3: Cross multiply
    34,756.16x = 47,963.57 × 18,840.65
  4. Step 4: Simplify right side
    34,756.16x = 903,664,823.88
  5. Step 5: Solve for x
    x = 903,664,823.88/34,756.16
  6. Step 6: Final answer
    x = 26,000.13

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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.