Home / 64,317.90-88,763.40-38,830.53

Finding the Fourth Proportional to 64,317.90, 88,763.40 and 38,830.53

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Solution

The fourth proportional to 64,317.90, 88,763.40 and 38,830.53 is: 53,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,317.90 : 88,763.40 = 38,830.53 : x
  2. Step 2: Convert to fraction form
    64,317.90/88,763.40 = 38,830.53/x
  3. Step 3: Cross multiply
    64,317.90x = 88,763.40 × 38,830.53
  4. Step 4: Simplify right side
    64,317.90x = 3,446,729,866.60
  5. Step 5: Solve for x
    x = 3,446,729,866.60/64,317.90
  6. Step 6: Final answer
    x = 53,588.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.