Home / 30,648.64-45,973.08-10,927.92

Finding the Fourth Proportional to 30,648.64, 45,973.08 and 10,927.92

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Solution

The fourth proportional to 30,648.64, 45,973.08 and 10,927.92 is: 16,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,648.64 : 45,973.08 = 10,927.92 : x
  2. Step 2: Convert to fraction form
    30,648.64/45,973.08 = 10,927.92/x
  3. Step 3: Cross multiply
    30,648.64x = 45,973.08 × 10,927.92
  4. Step 4: Simplify right side
    30,648.64x = 502,390,140.39
  5. Step 5: Solve for x
    x = 502,390,140.39/30,648.64
  6. Step 6: Final answer
    x = 16,391.92

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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.