Home / 58,384.28-87,588.72-18,938.32

Finding the Fourth Proportional to 58,384.28, 87,588.72 and 18,938.32

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Solution

The fourth proportional to 58,384.28, 87,588.72 and 18,938.32 is: 28,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,384.28 : 87,588.72 = 18,938.32 : x
  2. Step 2: Convert to fraction form
    58,384.28/87,588.72 = 18,938.32/x
  3. Step 3: Cross multiply
    58,384.28x = 87,588.72 × 18,938.32
  4. Step 4: Simplify right side
    58,384.28x = 1,658,783,207.75
  5. Step 5: Solve for x
    x = 1,658,783,207.75/58,384.28
  6. Step 6: Final answer
    x = 28,411.47

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1.5x scale

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.