Home / 31,430.58-47,091.04-26,199.21

Finding the Fourth Proportional to 31,430.58, 47,091.04 and 26,199.21

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Solution

The fourth proportional to 31,430.58, 47,091.04 and 26,199.21 is: 39,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.58 : 47,091.04 = 26,199.21 : x
  2. Step 2: Convert to fraction form
    31,430.58/47,091.04 = 26,199.21/x
  3. Step 3: Cross multiply
    31,430.58x = 47,091.04 × 26,199.21
  4. Step 4: Simplify right side
    31,430.58x = 1,233,748,157.17
  5. Step 5: Solve for x
    x = 1,233,748,157.17/31,430.58
  6. Step 6: Final answer
    x = 39,253.11

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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.