Home / 43,315.24-64,920.54-21,095.32

Finding the Fourth Proportional to 43,315.24, 64,920.54 and 21,095.32

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Solution

The fourth proportional to 43,315.24, 64,920.54 and 21,095.32 is: 31,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.24 : 64,920.54 = 21,095.32 : x
  2. Step 2: Convert to fraction form
    43,315.24/64,920.54 = 21,095.32/x
  3. Step 3: Cross multiply
    43,315.24x = 64,920.54 × 21,095.32
  4. Step 4: Simplify right side
    43,315.24x = 1,369,519,565.87
  5. Step 5: Solve for x
    x = 1,369,519,565.87/43,315.24
  6. Step 6: Final answer
    x = 31,617.50

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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.