Home / 51,106.30-70,526.59-28,750.30

Finding the Fourth Proportional to 51,106.30, 70,526.59 and 28,750.30

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Solution

The fourth proportional to 51,106.30, 70,526.59 and 28,750.30 is: 39,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.30 : 70,526.59 = 28,750.30 : x
  2. Step 2: Convert to fraction form
    51,106.30/70,526.59 = 28,750.30/x
  3. Step 3: Cross multiply
    51,106.30x = 70,526.59 × 28,750.30
  4. Step 4: Simplify right side
    51,106.30x = 2,027,660,620.48
  5. Step 5: Solve for x
    x = 2,027,660,620.48/51,106.30
  6. Step 6: Final answer
    x = 39,675.36

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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.