Home / 39,047.68-58,486.47-20,271.07

Finding the Fourth Proportional to 39,047.68, 58,486.47 and 20,271.07

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Solution

The fourth proportional to 39,047.68, 58,486.47 and 20,271.07 is: 30,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,047.68 : 58,486.47 = 20,271.07 : x
  2. Step 2: Convert to fraction form
    39,047.68/58,486.47 = 20,271.07/x
  3. Step 3: Cross multiply
    39,047.68x = 58,486.47 × 20,271.07
  4. Step 4: Simplify right side
    39,047.68x = 1,185,583,327.42
  5. Step 5: Solve for x
    x = 1,185,583,327.42/39,047.68
  6. Step 6: Final answer
    x = 30,362.45

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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.