Home / 42,985.58-64,465.88-18,024.93

Finding the Fourth Proportional to 42,985.58, 64,465.88 and 18,024.93

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Solution

The fourth proportional to 42,985.58, 64,465.88 and 18,024.93 is: 27,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,985.58 : 64,465.88 = 18,024.93 : x
  2. Step 2: Convert to fraction form
    42,985.58/64,465.88 = 18,024.93/x
  3. Step 3: Cross multiply
    42,985.58x = 64,465.88 × 18,024.93
  4. Step 4: Simplify right side
    42,985.58x = 1,161,992,884.26
  5. Step 5: Solve for x
    x = 1,161,992,884.26/42,985.58
  6. Step 6: Final answer
    x = 27,032.16

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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.