Home / 30,515.13-45,718.86-26,724.62

Finding the Fourth Proportional to 30,515.13, 45,718.86 and 26,724.62

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Solution

The fourth proportional to 30,515.13, 45,718.86 and 26,724.62 is: 40,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515.13 : 45,718.86 = 26,724.62 : x
  2. Step 2: Convert to fraction form
    30,515.13/45,718.86 = 26,724.62/x
  3. Step 3: Cross multiply
    30,515.13x = 45,718.86 × 26,724.62
  4. Step 4: Simplify right side
    30,515.13x = 1,221,818,931.74
  5. Step 5: Solve for x
    x = 1,221,818,931.74/30,515.13
  6. Step 6: Final answer
    x = 40,039.77

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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.