Home / 51,225.53-70,690.92-28,564.79

Finding the Fourth Proportional to 51,225.53, 70,690.92 and 28,564.79

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Solution

The fourth proportional to 51,225.53, 70,690.92 and 28,564.79 is: 39,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.53 : 70,690.92 = 28,564.79 : x
  2. Step 2: Convert to fraction form
    51,225.53/70,690.92 = 28,564.79/x
  3. Step 3: Cross multiply
    51,225.53x = 70,690.92 × 28,564.79
  4. Step 4: Simplify right side
    51,225.53x = 2,019,270,931.25
  5. Step 5: Solve for x
    x = 2,019,270,931.25/51,225.53
  6. Step 6: Final answer
    x = 39,419.23

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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.