Home / 38,985.39-58,477.58-9,403.01

Finding the Fourth Proportional to 38,985.39, 58,477.58 and 9,403.01

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Solution

The fourth proportional to 38,985.39, 58,477.58 and 9,403.01 is: 14,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.39 : 58,477.58 = 9,403.01 : x
  2. Step 2: Convert to fraction form
    38,985.39/58,477.58 = 9,403.01/x
  3. Step 3: Cross multiply
    38,985.39x = 58,477.58 × 9,403.01
  4. Step 4: Simplify right side
    38,985.39x = 549,864,930.11
  5. Step 5: Solve for x
    x = 549,864,930.11/38,985.39
  6. Step 6: Final answer
    x = 14,104.38

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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.