Home / 42,804.05-64,190.12-14,716.16

Finding the Fourth Proportional to 42,804.05, 64,190.12 and 14,716.16

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Solution

The fourth proportional to 42,804.05, 64,190.12 and 14,716.16 is: 22,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,804.05 : 64,190.12 = 14,716.16 : x
  2. Step 2: Convert to fraction form
    42,804.05/64,190.12 = 14,716.16/x
  3. Step 3: Cross multiply
    42,804.05x = 64,190.12 × 14,716.16
  4. Step 4: Simplify right side
    42,804.05x = 944,631,681.81
  5. Step 5: Solve for x
    x = 944,631,681.81/42,804.05
  6. Step 6: Final answer
    x = 22,068.74

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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.