Home / 31,547.06-47,389.30-19,072.96

Finding the Fourth Proportional to 31,547.06, 47,389.30 and 19,072.96

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Solution

The fourth proportional to 31,547.06, 47,389.30 and 19,072.96 is: 28,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.06 : 47,389.30 = 19,072.96 : x
  2. Step 2: Convert to fraction form
    31,547.06/47,389.30 = 19,072.96/x
  3. Step 3: Cross multiply
    31,547.06x = 47,389.30 × 19,072.96
  4. Step 4: Simplify right side
    31,547.06x = 903,854,223.33
  5. Step 5: Solve for x
    x = 903,854,223.33/31,547.06
  6. Step 6: Final answer
    x = 28,650.98

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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.