Home / 58,275.84-87,225.75-30,157.20

Finding the Fourth Proportional to 58,275.84, 87,225.75 and 30,157.20

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Solution

The fourth proportional to 58,275.84, 87,225.75 and 30,157.20 is: 45,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,275.84 : 87,225.75 = 30,157.20 : x
  2. Step 2: Convert to fraction form
    58,275.84/87,225.75 = 30,157.20/x
  3. Step 3: Cross multiply
    58,275.84x = 87,225.75 × 30,157.20
  4. Step 4: Simplify right side
    58,275.84x = 2,630,484,387.90
  5. Step 5: Solve for x
    x = 2,630,484,387.90/58,275.84
  6. Step 6: Final answer
    x = 45,138.51

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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.