Home / 51,110.79-70,526.22-28,450.74

Finding the Fourth Proportional to 51,110.79, 70,526.22 and 28,450.74

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Solution

The fourth proportional to 51,110.79, 70,526.22 and 28,450.74 is: 39,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.79 : 70,526.22 = 28,450.74 : x
  2. Step 2: Convert to fraction form
    51,110.79/70,526.22 = 28,450.74/x
  3. Step 3: Cross multiply
    51,110.79x = 70,526.22 × 28,450.74
  4. Step 4: Simplify right side
    51,110.79x = 2,006,523,148.40
  5. Step 5: Solve for x
    x = 2,006,523,148.40/51,110.79
  6. Step 6: Final answer
    x = 39,258.31

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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.