Home / 31,248.04-43,122.54-19,308.64

Finding the Fourth Proportional to 31,248.04, 43,122.54 and 19,308.64

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Solution

The fourth proportional to 31,248.04, 43,122.54 and 19,308.64 is: 26,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.04 : 43,122.54 = 19,308.64 : x
  2. Step 2: Convert to fraction form
    31,248.04/43,122.54 = 19,308.64/x
  3. Step 3: Cross multiply
    31,248.04x = 43,122.54 × 19,308.64
  4. Step 4: Simplify right side
    31,248.04x = 832,637,600.75
  5. Step 5: Solve for x
    x = 832,637,600.75/31,248.04
  6. Step 6: Final answer
    x = 26,646.07

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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.