Home / 55,297.50-76,312.35-30,148.62

Finding the Fourth Proportional to 55,297.50, 76,312.35 and 30,148.62

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Solution

The fourth proportional to 55,297.50, 76,312.35 and 30,148.62 is: 41,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.50 : 76,312.35 = 30,148.62 : x
  2. Step 2: Convert to fraction form
    55,297.50/76,312.35 = 30,148.62/x
  3. Step 3: Cross multiply
    55,297.50x = 76,312.35 × 30,148.62
  4. Step 4: Simplify right side
    55,297.50x = 2,300,712,041.46
  5. Step 5: Solve for x
    x = 2,300,712,041.46/55,297.50
  6. Step 6: Final answer
    x = 41,606.08

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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.