Home / 43,316.99-64,925.94-19,642.58

Finding the Fourth Proportional to 43,316.99, 64,925.94 and 19,642.58

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Solution

The fourth proportional to 43,316.99, 64,925.94 and 19,642.58 is: 29,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,316.99 : 64,925.94 = 19,642.58 : x
  2. Step 2: Convert to fraction form
    43,316.99/64,925.94 = 19,642.58/x
  3. Step 3: Cross multiply
    43,316.99x = 64,925.94 × 19,642.58
  4. Step 4: Simplify right side
    43,316.99x = 1,275,312,970.53
  5. Step 5: Solve for x
    x = 1,275,312,970.53/43,316.99
  6. Step 6: Final answer
    x = 29,441.40

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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.