Home / 43,074.03-64,642.65-28,277.76

Finding the Fourth Proportional to 43,074.03, 64,642.65 and 28,277.76

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Solution

The fourth proportional to 43,074.03, 64,642.65 and 28,277.76 is: 42,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.03 : 64,642.65 = 28,277.76 : x
  2. Step 2: Convert to fraction form
    43,074.03/64,642.65 = 28,277.76/x
  3. Step 3: Cross multiply
    43,074.03x = 64,642.65 × 28,277.76
  4. Step 4: Simplify right side
    43,074.03x = 1,827,949,342.46
  5. Step 5: Solve for x
    x = 1,827,949,342.46/43,074.03
  6. Step 6: Final answer
    x = 42,437.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.