Home / 64,317.40-88,762.71-38,830.03

Finding the Fourth Proportional to 64,317.40, 88,762.71 and 38,830.03

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Solution

The fourth proportional to 64,317.40, 88,762.71 and 38,830.03 is: 53,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,317.40 : 88,762.71 = 38,830.03 : x
  2. Step 2: Convert to fraction form
    64,317.40/88,762.71 = 38,830.03/x
  3. Step 3: Cross multiply
    64,317.40x = 88,762.71 × 38,830.03
  4. Step 4: Simplify right side
    64,317.40x = 3,446,658,692.18
  5. Step 5: Solve for x
    x = 3,446,658,692.18/64,317.40
  6. Step 6: Final answer
    x = 53,588.28

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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.