Home / 39,210.10-58,815.03-11,130.18

Finding the Fourth Proportional to 39,210.10, 58,815.03 and 11,130.18

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Solution

The fourth proportional to 39,210.10, 58,815.03 and 11,130.18 is: 16,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.10 : 58,815.03 = 11,130.18 : x
  2. Step 2: Convert to fraction form
    39,210.10/58,815.03 = 11,130.18/x
  3. Step 3: Cross multiply
    39,210.10x = 58,815.03 × 11,130.18
  4. Step 4: Simplify right side
    39,210.10x = 654,621,660.83
  5. Step 5: Solve for x
    x = 654,621,660.83/39,210.10
  6. Step 6: Final answer
    x = 16,695.23

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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.