Home / 64,513.04-89,037.64-39,377.12

Finding the Fourth Proportional to 64,513.04, 89,037.64 and 39,377.12

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Solution

The fourth proportional to 64,513.04, 89,037.64 and 39,377.12 is: 54,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513.04 : 89,037.64 = 39,377.12 : x
  2. Step 2: Convert to fraction form
    64,513.04/89,037.64 = 39,377.12/x
  3. Step 3: Cross multiply
    64,513.04x = 89,037.64 × 39,377.12
  4. Step 4: Simplify right side
    64,513.04x = 3,506,045,834.80
  5. Step 5: Solve for x
    x = 3,506,045,834.80/64,513.04
  6. Step 6: Final answer
    x = 54,346.31

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1.5x scale

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.