Home / 42,776.16-64,164.27-11,611.41

Finding the Fourth Proportional to 42,776.16, 64,164.27 and 11,611.41

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Solution

The fourth proportional to 42,776.16, 64,164.27 and 11,611.41 is: 17,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,776.16 : 64,164.27 = 11,611.41 : x
  2. Step 2: Convert to fraction form
    42,776.16/64,164.27 = 11,611.41/x
  3. Step 3: Cross multiply
    42,776.16x = 64,164.27 × 11,611.41
  4. Step 4: Simplify right side
    42,776.16x = 745,037,646.32
  5. Step 5: Solve for x
    x = 745,037,646.32/42,776.16
  6. Step 6: Final answer
    x = 17,417.12

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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.