Home / 42,746.99-64,120.48-11,582.24

Finding the Fourth Proportional to 42,746.99, 64,120.48 and 11,582.24

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Solution

The fourth proportional to 42,746.99, 64,120.48 and 11,582.24 is: 17,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,746.99 : 64,120.48 = 11,582.24 : x
  2. Step 2: Convert to fraction form
    42,746.99/64,120.48 = 11,582.24/x
  3. Step 3: Cross multiply
    42,746.99x = 64,120.48 × 11,582.24
  4. Step 4: Simplify right side
    42,746.99x = 742,658,409.76
  5. Step 5: Solve for x
    x = 742,658,409.76/42,746.99
  6. Step 6: Final answer
    x = 17,373.35

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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.