Home / 40,888.66-61,341.64-13,184.50

Finding the Fourth Proportional to 40,888.66, 61,341.64 and 13,184.50

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Solution

The fourth proportional to 40,888.66, 61,341.64 and 13,184.50 is: 19,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,888.66 : 61,341.64 = 13,184.50 : x
  2. Step 2: Convert to fraction form
    40,888.66/61,341.64 = 13,184.50/x
  3. Step 3: Cross multiply
    40,888.66x = 61,341.64 × 13,184.50
  4. Step 4: Simplify right side
    40,888.66x = 808,758,852.58
  5. Step 5: Solve for x
    x = 808,758,852.58/40,888.66
  6. Step 6: Final answer
    x = 19,779.54

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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.