Home / 70,870.22-97,802.08-39,039.15

Finding the Fourth Proportional to 70,870.22, 97,802.08 and 39,039.15

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Solution

The fourth proportional to 70,870.22, 97,802.08 and 39,039.15 is: 53,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,870.22 : 97,802.08 = 39,039.15 : x
  2. Step 2: Convert to fraction form
    70,870.22/97,802.08 = 39,039.15/x
  3. Step 3: Cross multiply
    70,870.22x = 97,802.08 × 39,039.15
  4. Step 4: Simplify right side
    70,870.22x = 3,818,110,010.05
  5. Step 5: Solve for x
    x = 3,818,110,010.05/70,870.22
  6. Step 6: Final answer
    x = 53,874.67

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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.