Home / 31,827.40-47,756.58-12,851.26

Finding the Fourth Proportional to 31,827.40, 47,756.58 and 12,851.26

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Solution

The fourth proportional to 31,827.40, 47,756.58 and 12,851.26 is: 19,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.40 : 47,756.58 = 12,851.26 : x
  2. Step 2: Convert to fraction form
    31,827.40/47,756.58 = 12,851.26/x
  3. Step 3: Cross multiply
    31,827.40x = 47,756.58 × 12,851.26
  4. Step 4: Simplify right side
    31,827.40x = 613,732,226.29
  5. Step 5: Solve for x
    x = 613,732,226.29/31,827.40
  6. Step 6: Final answer
    x = 19,283.14

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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.