Home / 30,635.55-45,888.74-14,009.57

Finding the Fourth Proportional to 30,635.55, 45,888.74 and 14,009.57

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Solution

The fourth proportional to 30,635.55, 45,888.74 and 14,009.57 is: 20,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.55 : 45,888.74 = 14,009.57 : x
  2. Step 2: Convert to fraction form
    30,635.55/45,888.74 = 14,009.57/x
  3. Step 3: Cross multiply
    30,635.55x = 45,888.74 × 14,009.57
  4. Step 4: Simplify right side
    30,635.55x = 642,881,330.47
  5. Step 5: Solve for x
    x = 642,881,330.47/30,635.55
  6. Step 6: Final answer
    x = 20,984.82

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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.