Home / 39,983.07-59,931.55-20,263.16

Finding the Fourth Proportional to 39,983.07, 59,931.55 and 20,263.16

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Solution

The fourth proportional to 39,983.07, 59,931.55 and 20,263.16 is: 30,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.07 : 59,931.55 = 20,263.16 : x
  2. Step 2: Convert to fraction form
    39,983.07/59,931.55 = 20,263.16/x
  3. Step 3: Cross multiply
    39,983.07x = 59,931.55 × 20,263.16
  4. Step 4: Simplify right side
    39,983.07x = 1,214,402,647.88
  5. Step 5: Solve for x
    x = 1,214,402,647.88/39,983.07
  6. Step 6: Final answer
    x = 30,372.92

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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.