Home / 58,318.84-80,386.86-39,423.16

Finding the Fourth Proportional to 58,318.84, 80,386.86 and 39,423.16

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Solution

The fourth proportional to 58,318.84, 80,386.86 and 39,423.16 is: 54,341.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,318.84 : 80,386.86 = 39,423.16 : x
  2. Step 2: Convert to fraction form
    58,318.84/80,386.86 = 39,423.16/x
  3. Step 3: Cross multiply
    58,318.84x = 80,386.86 × 39,423.16
  4. Step 4: Simplify right side
    58,318.84x = 3,169,104,043.68
  5. Step 5: Solve for x
    x = 3,169,104,043.68/58,318.84
  6. Step 6: Final answer
    x = 54,341.00

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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.