Home / 51,060.60-70,455.42-28,399.32

Finding the Fourth Proportional to 51,060.60, 70,455.42 and 28,399.32

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Solution

The fourth proportional to 51,060.60, 70,455.42 and 28,399.32 is: 39,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,060.60 : 70,455.42 = 28,399.32 : x
  2. Step 2: Convert to fraction form
    51,060.60/70,455.42 = 28,399.32/x
  3. Step 3: Cross multiply
    51,060.60x = 70,455.42 × 28,399.32
  4. Step 4: Simplify right side
    51,060.60x = 2,000,886,018.31
  5. Step 5: Solve for x
    x = 2,000,886,018.31/51,060.60
  6. Step 6: Final answer
    x = 39,186.50

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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.