Home / 34,124.47-47,090.63-19,784.57

Finding the Fourth Proportional to 34,124.47, 47,090.63 and 19,784.57

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Solution

The fourth proportional to 34,124.47, 47,090.63 and 19,784.57 is: 27,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,124.47 : 47,090.63 = 19,784.57 : x
  2. Step 2: Convert to fraction form
    34,124.47/47,090.63 = 19,784.57/x
  3. Step 3: Cross multiply
    34,124.47x = 47,090.63 × 19,784.57
  4. Step 4: Simplify right side
    34,124.47x = 931,667,679.59
  5. Step 5: Solve for x
    x = 931,667,679.59/34,124.47
  6. Step 6: Final answer
    x = 27,302.04

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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.