Home / 51,425.34-70,973.54-28,765.59

Finding the Fourth Proportional to 51,425.34, 70,973.54 and 28,765.59

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Solution

The fourth proportional to 51,425.34, 70,973.54 and 28,765.59 is: 39,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.34 : 70,973.54 = 28,765.59 : x
  2. Step 2: Convert to fraction form
    51,425.34/70,973.54 = 28,765.59/x
  3. Step 3: Cross multiply
    51,425.34x = 70,973.54 × 28,765.59
  4. Step 4: Simplify right side
    51,425.34x = 2,041,595,824.40
  5. Step 5: Solve for x
    x = 2,041,595,824.40/51,425.34
  6. Step 6: Final answer
    x = 39,700.19

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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.