Home / 31,465.51-43,421.85-17,124.84

Finding the Fourth Proportional to 31,465.51, 43,421.85 and 17,124.84

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Solution

The fourth proportional to 31,465.51, 43,421.85 and 17,124.84 is: 23,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.51 : 43,421.85 = 17,124.84 : x
  2. Step 2: Convert to fraction form
    31,465.51/43,421.85 = 17,124.84/x
  3. Step 3: Cross multiply
    31,465.51x = 43,421.85 × 17,124.84
  4. Step 4: Simplify right side
    31,465.51x = 743,592,307.71
  5. Step 5: Solve for x
    x = 743,592,307.71/31,465.51
  6. Step 6: Final answer
    x = 23,631.98

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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.