Home / 64,812.05-97,195.80-31,510.67

Finding the Fourth Proportional to 64,812.05, 97,195.80 and 31,510.67

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Solution

The fourth proportional to 64,812.05, 97,195.80 and 31,510.67 is: 47,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812.05 : 97,195.80 = 31,510.67 : x
  2. Step 2: Convert to fraction form
    64,812.05/97,195.80 = 31,510.67/x
  3. Step 3: Cross multiply
    64,812.05x = 97,195.80 × 31,510.67
  4. Step 4: Simplify right side
    64,812.05x = 3,062,704,779.19
  5. Step 5: Solve for x
    x = 3,062,704,779.19/64,812.05
  6. Step 6: Final answer
    x = 47,255.18

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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.