Home / 31,641.39-47,430.60-17,607.81

Finding the Fourth Proportional to 31,641.39, 47,430.60 and 17,607.81

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Solution

The fourth proportional to 31,641.39, 47,430.60 and 17,607.81 is: 26,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.39 : 47,430.60 = 17,607.81 : x
  2. Step 2: Convert to fraction form
    31,641.39/47,430.60 = 17,607.81/x
  3. Step 3: Cross multiply
    31,641.39x = 47,430.60 × 17,607.81
  4. Step 4: Simplify right side
    31,641.39x = 835,148,992.99
  5. Step 5: Solve for x
    x = 835,148,992.99/31,641.39
  6. Step 6: Final answer
    x = 26,394.19

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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.