Home / 39,087,099.24-53,946,663.19-21,689,049.50

Finding the Fourth Proportional to 39,087,099.24, 53,946,663.19 and 21,689,049.50

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Solution

The fourth proportional to 39,087,099.24, 53,946,663.19 and 21,689,049.50 is: 29,934,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,099.24 : 53,946,663.19 = 21,689,049.50 : x
  2. Step 2: Convert to fraction form
    39,087,099.24/53,946,663.19 = 21,689,049.50/x
  3. Step 3: Cross multiply
    39,087,099.24x = 53,946,663.19 × 21,689,049.50
  4. Step 4: Simplify right side
    39,087,099.24x = 1,170,051,848,368,382
  5. Step 5: Solve for x
    x = 1,170,051,848,368,382/39,087,099.24
  6. Step 6: Final answer
    x = 29,934,476.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.