Home / 64,707.04-97,061.16-20,332.81

Finding the Fourth Proportional to 64,707.04, 97,061.16 and 20,332.81

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Solution

The fourth proportional to 64,707.04, 97,061.16 and 20,332.81 is: 30,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.04 : 97,061.16 = 20,332.81 : x
  2. Step 2: Convert to fraction form
    64,707.04/97,061.16 = 20,332.81/x
  3. Step 3: Cross multiply
    64,707.04x = 97,061.16 × 20,332.81
  4. Step 4: Simplify right side
    64,707.04x = 1,973,525,639.35
  5. Step 5: Solve for x
    x = 1,973,525,639.35/64,707.04
  6. Step 6: Final answer
    x = 30,499.40

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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.