Home / 32,970.23-45,473.81-28,378.82

Finding the Fourth Proportional to 32,970.23, 45,473.81 and 28,378.82

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Solution

The fourth proportional to 32,970.23, 45,473.81 and 28,378.82 is: 39,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,970.23 : 45,473.81 = 28,378.82 : x
  2. Step 2: Convert to fraction form
    32,970.23/45,473.81 = 28,378.82/x
  3. Step 3: Cross multiply
    32,970.23x = 45,473.81 × 28,378.82
  4. Step 4: Simplify right side
    32,970.23x = 1,290,493,158.54
  5. Step 5: Solve for x
    x = 1,290,493,158.54/32,970.23
  6. Step 6: Final answer
    x = 39,141.16

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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.