Home / 34,876.84-48,154.26-21,465.40

Finding the Fourth Proportional to 34,876.84, 48,154.26 and 21,465.40

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Solution

The fourth proportional to 34,876.84, 48,154.26 and 21,465.40 is: 29,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.84 : 48,154.26 = 21,465.40 : x
  2. Step 2: Convert to fraction form
    34,876.84/48,154.26 = 21,465.40/x
  3. Step 3: Cross multiply
    34,876.84x = 48,154.26 × 21,465.40
  4. Step 4: Simplify right side
    34,876.84x = 1,033,650,452.60
  5. Step 5: Solve for x
    x = 1,033,650,452.60/34,876.84
  6. Step 6: Final answer
    x = 29,637.16

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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.