Home / 39,425.84-54,407.18-22,430.05

Finding the Fourth Proportional to 39,425.84, 54,407.18 and 22,430.05

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Solution

The fourth proportional to 39,425.84, 54,407.18 and 22,430.05 is: 30,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.84 : 54,407.18 = 22,430.05 : x
  2. Step 2: Convert to fraction form
    39,425.84/54,407.18 = 22,430.05/x
  3. Step 3: Cross multiply
    39,425.84x = 54,407.18 × 22,430.05
  4. Step 4: Simplify right side
    39,425.84x = 1,220,355,495.72
  5. Step 5: Solve for x
    x = 1,220,355,495.72/39,425.84
  6. Step 6: Final answer
    x = 30,953.19

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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.