Home / 31,575,162.60-47,362,743.90-21,371,495.40

Finding the Fourth Proportional to 31,575,162.60, 47,362,743.90 and 21,371,495.40

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Solution

The fourth proportional to 31,575,162.60, 47,362,743.90 and 21,371,495.40 is: 32,057,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575,162.60 : 47,362,743.90 = 21,371,495.40 : x
  2. Step 2: Convert to fraction form
    31,575,162.60/47,362,743.90 = 21,371,495.40/x
  3. Step 3: Cross multiply
    31,575,162.60x = 47,362,743.90 × 21,371,495.40
  4. Step 4: Simplify right side
    31,575,162.60x = 1,012,212,663,390,228
  5. Step 5: Solve for x
    x = 1,012,212,663,390,228/31,575,162.60
  6. Step 6: Final answer
    x = 32,057,243.10

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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.