Home / 70,637.19-97,484.78-40,431.99

Finding the Fourth Proportional to 70,637.19, 97,484.78 and 40,431.99

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Solution

The fourth proportional to 70,637.19, 97,484.78 and 40,431.99 is: 55,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.19 : 97,484.78 = 40,431.99 : x
  2. Step 2: Convert to fraction form
    70,637.19/97,484.78 = 40,431.99/x
  3. Step 3: Cross multiply
    70,637.19x = 97,484.78 × 40,431.99
  4. Step 4: Simplify right side
    70,637.19x = 3,941,503,263.77
  5. Step 5: Solve for x
    x = 3,941,503,263.77/70,637.19
  6. Step 6: Final answer
    x = 55,799.27

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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.