Home / 39,152.76-54,030.84-21,248.07

Finding the Fourth Proportional to 39,152.76, 54,030.84 and 21,248.07

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Solution

The fourth proportional to 39,152.76, 54,030.84 and 21,248.07 is: 29,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,152.76 : 54,030.84 = 21,248.07 : x
  2. Step 2: Convert to fraction form
    39,152.76/54,030.84 = 21,248.07/x
  3. Step 3: Cross multiply
    39,152.76x = 54,030.84 × 21,248.07
  4. Step 4: Simplify right side
    39,152.76x = 1,148,051,070.48
  5. Step 5: Solve for x
    x = 1,148,051,070.48/39,152.76
  6. Step 6: Final answer
    x = 29,322.35

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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.