Home / 38,436,039.96-53,041,734.60-21,032,384.67

Finding the Fourth Proportional to 38,436,039.96, 53,041,734.60 and 21,032,384.67

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Solution

The fourth proportional to 38,436,039.96, 53,041,734.60 and 21,032,384.67 is: 29,024,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,039.96 : 53,041,734.60 = 21,032,384.67 : x
  2. Step 2: Convert to fraction form
    38,436,039.96/53,041,734.60 = 21,032,384.67/x
  3. Step 3: Cross multiply
    38,436,039.96x = 53,041,734.60 × 21,032,384.67
  4. Step 4: Simplify right side
    38,436,039.96x = 1,115,594,165,671,248.75
  5. Step 5: Solve for x
    x = 1,115,594,165,671,248.75/38,436,039.96
  6. Step 6: Final answer
    x = 29,024,690.55

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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.