Home / 39,043.22-58,575.78-15,686.06

Finding the Fourth Proportional to 39,043.22, 58,575.78 and 15,686.06

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Solution

The fourth proportional to 39,043.22, 58,575.78 and 15,686.06 is: 23,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043.22 : 58,575.78 = 15,686.06 : x
  2. Step 2: Convert to fraction form
    39,043.22/58,575.78 = 15,686.06/x
  3. Step 3: Cross multiply
    39,043.22x = 58,575.78 × 15,686.06
  4. Step 4: Simplify right side
    39,043.22x = 918,823,199.63
  5. Step 5: Solve for x
    x = 918,823,199.63/39,043.22
  6. Step 6: Final answer
    x = 23,533.49

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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.