Home / 42,741.09-64,072.58-19,036.17

Finding the Fourth Proportional to 42,741.09, 64,072.58 and 19,036.17

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Solution

The fourth proportional to 42,741.09, 64,072.58 and 19,036.17 is: 28,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,741.09 : 64,072.58 = 19,036.17 : x
  2. Step 2: Convert to fraction form
    42,741.09/64,072.58 = 19,036.17/x
  3. Step 3: Cross multiply
    42,741.09x = 64,072.58 × 19,036.17
  4. Step 4: Simplify right side
    42,741.09x = 1,219,696,430.04
  5. Step 5: Solve for x
    x = 1,219,696,430.04/42,741.09
  6. Step 6: Final answer
    x = 28,536.86

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1.5x scale

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.