Home / 32,690.52-45,117-18,547.92

Finding the Fourth Proportional to 32,690.52, 45,117 and 18,547.92

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Solution

The fourth proportional to 32,690.52, 45,117 and 18,547.92 is: 25,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.52 : 45,117 = 18,547.92 : x
  2. Step 2: Convert to fraction form
    32,690.52/45,117 = 18,547.92/x
  3. Step 3: Cross multiply
    32,690.52x = 45,117 × 18,547.92
  4. Step 4: Simplify right side
    32,690.52x = 836,826,506.64
  5. Step 5: Solve for x
    x = 836,826,506.64/32,690.52
  6. Step 6: Final answer
    x = 25,598.45

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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.