Home / 64,677.10-97,015.44-20,307.16

Finding the Fourth Proportional to 64,677.10, 97,015.44 and 20,307.16

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Solution

The fourth proportional to 64,677.10, 97,015.44 and 20,307.16 is: 30,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,677.10 : 97,015.44 = 20,307.16 : x
  2. Step 2: Convert to fraction form
    64,677.10/97,015.44 = 20,307.16/x
  3. Step 3: Cross multiply
    64,677.10x = 97,015.44 × 20,307.16
  4. Step 4: Simplify right side
    64,677.10x = 1,970,108,062.55
  5. Step 5: Solve for x
    x = 1,970,108,062.55/64,677.10
  6. Step 6: Final answer
    x = 30,460.67

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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.