Home / 34,551.08-47,687.01-21,636.35

Finding the Fourth Proportional to 34,551.08, 47,687.01 and 21,636.35

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Solution

The fourth proportional to 34,551.08, 47,687.01 and 21,636.35 is: 29,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,551.08 : 47,687.01 = 21,636.35 : x
  2. Step 2: Convert to fraction form
    34,551.08/47,687.01 = 21,636.35/x
  3. Step 3: Cross multiply
    34,551.08x = 47,687.01 × 21,636.35
  4. Step 4: Simplify right side
    34,551.08x = 1,031,772,838.81
  5. Step 5: Solve for x
    x = 1,031,772,838.81/34,551.08
  6. Step 6: Final answer
    x = 29,862.25

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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.