Home / 30,479.59-41,968.38-26,681.50

Finding the Fourth Proportional to 30,479.59, 41,968.38 and 26,681.50

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Solution

The fourth proportional to 30,479.59, 41,968.38 and 26,681.50 is: 36,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.59 : 41,968.38 = 26,681.50 : x
  2. Step 2: Convert to fraction form
    30,479.59/41,968.38 = 26,681.50/x
  3. Step 3: Cross multiply
    30,479.59x = 41,968.38 × 26,681.50
  4. Step 4: Simplify right side
    30,479.59x = 1,119,779,333.40
  5. Step 5: Solve for x
    x = 1,119,779,333.40/30,479.59
  6. Step 6: Final answer
    x = 36,738.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.