Home / 38,688,434.60-57,948,671.10-31,969,970.60

Finding the Fourth Proportional to 38,688,434.60, 57,948,671.10 and 31,969,970.60

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Solution

The fourth proportional to 38,688,434.60, 57,948,671.10 and 31,969,970.60 is: 47,885,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688,434.60 : 57,948,671.10 = 31,969,970.60 : x
  2. Step 2: Convert to fraction form
    38,688,434.60/57,948,671.10 = 31,969,970.60/x
  3. Step 3: Cross multiply
    38,688,434.60x = 57,948,671.10 × 31,969,970.60
  4. Step 4: Simplify right side
    38,688,434.60x = 1,852,617,311,376,069.75
  5. Step 5: Solve for x
    x = 1,852,617,311,376,069.75/38,688,434.60
  6. Step 6: Final answer
    x = 47,885,558.84

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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.