Home / 39,685.48-59,528.01-10,103.74

Finding the Fourth Proportional to 39,685.48, 59,528.01 and 10,103.74

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Solution

The fourth proportional to 39,685.48, 59,528.01 and 10,103.74 is: 15,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.48 : 59,528.01 = 10,103.74 : x
  2. Step 2: Convert to fraction form
    39,685.48/59,528.01 = 10,103.74/x
  3. Step 3: Cross multiply
    39,685.48x = 59,528.01 × 10,103.74
  4. Step 4: Simplify right side
    39,685.48x = 601,455,535.76
  5. Step 5: Solve for x
    x = 601,455,535.76/39,685.48
  6. Step 6: Final answer
    x = 15,155.56

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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.