Home / 35,512.59-53,250.66-18,881.67

Finding the Fourth Proportional to 35,512.59, 53,250.66 and 18,881.67

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Solution

The fourth proportional to 35,512.59, 53,250.66 and 18,881.67 is: 28,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.59 : 53,250.66 = 18,881.67 : x
  2. Step 2: Convert to fraction form
    35,512.59/53,250.66 = 18,881.67/x
  3. Step 3: Cross multiply
    35,512.59x = 53,250.66 × 18,881.67
  4. Step 4: Simplify right side
    35,512.59x = 1,005,461,389.40
  5. Step 5: Solve for x
    x = 1,005,461,389.40/35,512.59
  6. Step 6: Final answer
    x = 28,312.81

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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.