Home / 32,957.61-45,484.31-18,620.07

Finding the Fourth Proportional to 32,957.61, 45,484.31 and 18,620.07

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Solution

The fourth proportional to 32,957.61, 45,484.31 and 18,620.07 is: 25,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,957.61 : 45,484.31 = 18,620.07 : x
  2. Step 2: Convert to fraction form
    32,957.61/45,484.31 = 18,620.07/x
  3. Step 3: Cross multiply
    32,957.61x = 45,484.31 × 18,620.07
  4. Step 4: Simplify right side
    32,957.61x = 846,921,036.10
  5. Step 5: Solve for x
    x = 846,921,036.10/32,957.61
  6. Step 6: Final answer
    x = 25,697.28

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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.