Home / 40,888.35-61,332.52-13,186.35

Finding the Fourth Proportional to 40,888.35, 61,332.52 and 13,186.35

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Solution

The fourth proportional to 40,888.35, 61,332.52 and 13,186.35 is: 19,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,888.35 : 61,332.52 = 13,186.35 : x
  2. Step 2: Convert to fraction form
    40,888.35/61,332.52 = 13,186.35/x
  3. Step 3: Cross multiply
    40,888.35x = 61,332.52 × 13,186.35
  4. Step 4: Simplify right side
    40,888.35x = 808,752,075.10
  5. Step 5: Solve for x
    x = 808,752,075.10/40,888.35
  6. Step 6: Final answer
    x = 19,779.52

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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.