Home / 35,479.75-53,219.63-12,106.19

Finding the Fourth Proportional to 35,479.75, 53,219.63 and 12,106.19

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Solution

The fourth proportional to 35,479.75, 53,219.63 and 12,106.19 is: 18,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.75 : 53,219.63 = 12,106.19 : x
  2. Step 2: Convert to fraction form
    35,479.75/53,219.63 = 12,106.19/x
  3. Step 3: Cross multiply
    35,479.75x = 53,219.63 × 12,106.19
  4. Step 4: Simplify right side
    35,479.75x = 644,286,952.51
  5. Step 5: Solve for x
    x = 644,286,952.51/35,479.75
  6. Step 6: Final answer
    x = 18,159.29

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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.