Home / 39,358.77-59,041.32-12,339.24

Finding the Fourth Proportional to 39,358.77, 59,041.32 and 12,339.24

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Solution

The fourth proportional to 39,358.77, 59,041.32 and 12,339.24 is: 18,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.77 : 59,041.32 = 12,339.24 : x
  2. Step 2: Convert to fraction form
    39,358.77/59,041.32 = 12,339.24/x
  3. Step 3: Cross multiply
    39,358.77x = 59,041.32 × 12,339.24
  4. Step 4: Simplify right side
    39,358.77x = 728,525,017.40
  5. Step 5: Solve for x
    x = 728,525,017.40/39,358.77
  6. Step 6: Final answer
    x = 18,509.85

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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.