Home / 31,428.90-47,088.50-26,197.53

Finding the Fourth Proportional to 31,428.90, 47,088.50 and 26,197.53

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Solution

The fourth proportional to 31,428.90, 47,088.50 and 26,197.53 is: 39,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,428.90 : 47,088.50 = 26,197.53 : x
  2. Step 2: Convert to fraction form
    31,428.90/47,088.50 = 26,197.53/x
  3. Step 3: Cross multiply
    31,428.90x = 47,088.50 × 26,197.53
  4. Step 4: Simplify right side
    31,428.90x = 1,233,602,268.04
  5. Step 5: Solve for x
    x = 1,233,602,268.04/31,428.90
  6. Step 6: Final answer
    x = 39,250.57

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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.