Home / 43,148.47-64,738.29-15,072.67

Finding the Fourth Proportional to 43,148.47, 64,738.29 and 15,072.67

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Solution

The fourth proportional to 43,148.47, 64,738.29 and 15,072.67 is: 22,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148.47 : 64,738.29 = 15,072.67 : x
  2. Step 2: Convert to fraction form
    43,148.47/64,738.29 = 15,072.67/x
  3. Step 3: Cross multiply
    43,148.47x = 64,738.29 × 15,072.67
  4. Step 4: Simplify right side
    43,148.47x = 975,778,881.53
  5. Step 5: Solve for x
    x = 975,778,881.53/43,148.47
  6. Step 6: Final answer
    x = 22,614.45

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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.