Home / 39,152.93-54,031.07-21,247.93

Finding the Fourth Proportional to 39,152.93, 54,031.07 and 21,247.93

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Solution

The fourth proportional to 39,152.93, 54,031.07 and 21,247.93 is: 29,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,152.93 : 54,031.07 = 21,247.93 : x
  2. Step 2: Convert to fraction form
    39,152.93/54,031.07 = 21,247.93/x
  3. Step 3: Cross multiply
    39,152.93x = 54,031.07 × 21,247.93
  4. Step 4: Simplify right side
    39,152.93x = 1,148,048,393.19
  5. Step 5: Solve for x
    x = 1,148,048,393.19/39,152.93
  6. Step 6: Final answer
    x = 29,322.16

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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.